illustrated with marker on paper ships in 1 week 6.1 oz 100% ring-spun cotton teeSize guide WIDTH (inches) LENGTH (inches) SLEEVE CENTER BACK (inches) S 18 ¼ 26 ⅝ 16 ¼ M 20 ¼ 28 17 ¾ L 22 29 ⅜ 19 XL 24 30 ¾ 20 ½ 2XL 26 31 ⅝ 21 ¾